Finding the Fourth Proportional to 8,741.58, 13,100.69 and 3,189.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,741.58 : 13,100.69 = 3,189.71 : x
2. Step 2: Convert to fraction form
   8,741.58/13,100.69 = 3,189.71/x
3. Step 3: Cross multiply
   8,741.58x = 13,100.69 × 3,189.71
4. Step 4: Simplify right side
   8,741.58x = 41,787,320.45
5. Step 5: Solve for x
   x = 41,787,320.45/8,741.58
6. Step 6: Final answer
   x = 4,780.29